Why is the vendor Management team asking me to provide documents?

When the applicable laws and regulations require it, the author shall provide the following documents to ACOLAD’s vendor team:
• If the Vendor is required by the country of establishment or domicile to be included in a professional register, one of the following documents is needed:
o A document issued by the authorities holding the professional register or an equivalent
document certifying such registration
o A quotation, an advertising document or professional correspondence, provided that it
states the name or corporate name, full address and the nature of the entry in the
professional register.
• If the Vendor is not required by the country of establishment or domicile to be included in a professional register, an official document mentioning the identity and address and
registration number where applicable should be provided
• In all cases, a document mentioning the individual tax identification number, where the Vendor is
not required to have such a number
• In all cases, a document attesting to the Vendor's compliance with the social/labour situation and, where the legislation of the country of domicile so provides, a document issued by the body managing the compulsory social security scheme that mentions that Vendor is up to date with any social declarations and social security contribution payments
• Where applicable, a list of names of foreign employees who are subject to a work
permit. This list, drawn up from the single personnel register, must specify, for each employee, their hiring date, nationality and the type and serial number of the document validating the work permit.
• Where the Vendor posts employees abroad for the purpose of performing the Services, the relevant
documentation under that applicable law.2
When first providing Services to ACOLAD and every year until the end of the execution of Services, the Vendor shall
provide ACOLAD with the following documents:
• Where a Double Tax Treaty applies between the Vendor's country of residence and the country where ACOLAD is commissioning the Service, an original certificate of fiscal residence is required, issued by the tax authorities of the country where the Vendor is tax resident within the meaning of the treaty and any other additional document, pursuant to local requirements
• Where professional indemnity insurance is compulsory for contractors under the applicable law,
a certificate of insurance coverage is required